WDP File Documentation

Overview

Feature Value
File Extension .wdp
MIME Type image/vnd.ms-photo
File Format Type Raster Image File
Developed By Microsoft
Initial Release 2006
Also Known As HD Photo, JPEG XR
Compression Lossy and Lossless
Color Depth Up to 32 bits per channel
Alpha Channel Supported
Transparency Supported
Metadata Support EXIF, XMP, IPTC
Color Profiles sRGB, ICC profiles
Maximum Image Size 4,294,967,295 × 4,294,967,295 pixels
Tile-Based Decoding Supported
Progressive Decoding Supported
Supported Channels 1 (grayscale), 3 (RGB), 4 (CMYK)
HD Photo Bitstream Encoding Defines compression-based image formats
Container Format for HDR Images Support for both HDR and Standard Dynamic Range (SDR) images
Frequency Transformation Uses Discrete Cosine and Photo Overlap Transform (DC-POT)